{"cve":"CVE-2023-1428","nvd":{"published":"2023-06-09T11:15:09.200","modified":"2026-06-17T05:27:56.347","status":"Modified","description":"There exists an vulnerability causing an abort() to be called in gRPC. \nThe following headers cause gRPC's C++ implementation to abort() when called via http2:\n\nte: x (x != trailers)\n\n:scheme: x (x != http, https)\n\ngrpclb_client_stats: x (x == anything)\n\nOn top of sending one of those headers, a later header must be sent that gets the total header size past 8KB. We recommend upgrading past git commit 2485fa94bd8a723e5c977d55a3ce10b301b437f8 or v1.53 and above.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-617"],"references":["https://github.com/grpc/grpc/commit/2485fa94bd8a723e5c977d55a3ce10b301b437f8","https://github.com/grpc/grpc/commit/2485fa94bd8a723e5c977d55a3ce10b301b437f8"],"products":["grpc:grpc"],"source":"nvd","synced_at":"2026-10-19T21:38:24.161619714+00:00"},"epss":{"cve":"CVE-2023-1428","score":0.00406,"percentile":0.34867,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6628-q6j9-w8vg","url":"https://osv.dev/vulnerability/GHSA-6628-q6j9-w8vg","summary":"gRPC Reachable Assertion issue","modified":"2026-09-10T03:49:54.880238612Z","packages":[{"ecosystem":"Maven","name":"io.grpc:grpc-protobuf","purl":"pkg:maven/io.grpc/grpc-protobuf","ranges":[">=1.51.0 <1.53.0"],"fixed":["1.53.0"]},{"ecosystem":"PyPI","name":"grpcio","purl":"pkg:pypi/grpcio","ranges":[">=1.51.0 <1.53.0"],"fixed":["1.53.0"]},{"ecosystem":"RubyGems","name":"grpc","purl":"pkg:gem/grpc","ranges":[">=1.51.0 <1.53.0"],"fixed":["1.53.0"]}]},{"id":"PYSEC-2026-1425","url":"https://osv.dev/vulnerability/PYSEC-2026-1425","summary":"gRPC Reachable Assertion issue","modified":"2026-07-07T17:47:41.795733660Z","packages":[{"ecosystem":"PyPI","name":"grpcio","purl":"pkg:pypi/grpcio","ranges":[">=1.51.0 <1.53.0"],"fixed":["1.53.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}